[PATCH] USB: fix up warning messages spit out by the keyspan driver.

I missed this in the previous usb_kill_urb() cleanup.  Thanks to
Pat Mochel for reporting this.
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/usb/serial/keyspan.c

@@ -1121,7 +1121,7 @@ static inline void stop_urb(struct urb *urb)
 {
 	if (urb && urb->status == -EINPROGRESS) {
 		urb->transfer_flags &= ~URB_ASYNC_UNLINK;
-		usb_unlink_urb(urb);
+		usb_kill_urb(urb);
 	}
 }